GMC S15 Fuel System

Browse GMC S15 Fuel System questions and answers. Choose a question that matches your symptoms.

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Fuel Pump Not Getting Enough Power

1988 GMC S15
Truck Listed Above Has A V6 Tbi. My Fuel Pump Isn’t Cutting On When I Turned The Key Over. I Just Replaced The Fuel Pump Not Long Ago. I...
9 ANSWERS
10 IMAGES
Asked by JasonL77

Fuel Injectors Not Working Properly

1988 GMC S15
Getting Gas To The Fuel Injectors But They're Not Spraying.
1 ANSWER
1 IMAGE
Asked by JasonL77

Fuel Pump Clicks But Gas Does Not Come Out Unless You...

1988 GMC S15
Fuel Pump Clicks But Gas Does Not Come Out Unless You Rock Truck, Then You Hear A Click And Gas Comes Out
1 ANSWER
Asked by Anonymous

Fuel

1988 GMC S15
I Have A Gmc S-15 1988, I Replace The Gas Pump, And The Sending Unit But The Truck Even With A Full Tank It Reads At Thje Guage That Is 3/4...
1 ANSWER
Asked by 69signal

1988 GMC S15

1988 GMC S15
I Have A 88 Safari Van I Was Driving When The Engine Stopped. I Replaced The Fuse To The Fuel Pump Relay But It Keeps Blowing The Fuse
1 ANSWER
Asked by joebustamante

1988 GMC S15 Changing The Fuel Filter

1988 GMC S15
Engine Performance Problem 1988 Gmc S15 6 Cyl Four Wheel Drive Automatic Would Like To Get Some Information On Changing The Fuel...
1 ANSWER
Asked by ginahenri

1988 GMC S15 Fuel Problem

1988 GMC S15
I Have Fuel At The Fuel Injector, But When I Turn The Key It Will Not Activate The Injector. I Have Replaced The Injector With A New One...
3 ANSWERS
Asked by Papa "G"

Fuel Pump Not Working?

1987 GMC S15
Fuel Pump Not Turning On When You Turn The Key On Relays New. I Check The Wiring, Fuel Pumps Brand New I Just Replaced It Today. When You...
1 ANSWER
1 IMAGE
Asked by FREDO87

Fuel Pump Not Pumping

1987 GMC S15
I Can Not Hear Pump When Key Turned On. How Do I Test Fuel Pump Relays That Are In The Engine Compartment? I See Three Of Them I Do Not Know...
9 ANSWERS
Asked by Lou Flores

Not Getting Fuel

1987 GMC S15
Fuel Pump Is Working. Got Gas Going To The Throttle Body. Have Power Going To Both Injectors. And I Have Plenty Of Fuel Pressure. I Have...
1 ANSWER
Asked by markthemadman

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